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1. Raising the transmission voltage and reducing the resulting transmission currents by a factor of (12) using transformers will reduce power transmission losses by a factor of -----. A) 100 B) 150 C) 144 D) 125. 2. The transformer that steps the voltage down from transmission levels to distribution levels, is called a ------- transformer. A) Unit transformer. B) Substation transformer. D) Current transformer. C) Distribution transformer. 3. The principal purpose of a transformer is to convert--------. A) AC power at one voltage level to AC power with different frequency at another voltage level. B) AC power at one voltage level to AC power of the same frequency at another voltage level. C) AC power at one voltage level to DC power at another voltage level. D) DC power at one voltage level to DC power at another voltage level.

1. Raising the transmission voltage and reducing the resulting transmission currents by a factor of (12) using transformers will reduce power transmission losses by a factor of -----. A) 100 B) 150 C) 144 D) 125. 2. The transformer that steps the voltage down from transmission levels to distribution levels, is called a ------- transformer. A) Unit transformer. B) Substation transformer. D) Current transformer. C) Distribution transformer. 3. The principal purpose of a transformer is to convert--------. A) AC power at one voltage level to AC power with different frequency at another voltage level. B) AC power at one voltage level to AC power of the same frequency at another voltage level. C) AC power at one voltage level to DC power at another voltage level. D) DC power at one voltage level to DC power at another voltage level.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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1. Raising the transmission voltage and reducing the resulting transmission currents by a factor of (12) using transformers will reduce power transmission losses by a factor of -----. A) 100 B) 150 C) 144 D) 125. 2. The transformer that steps the voltage down from transmission levels to distribution levels, is called a ------- transformer. A) Unit transformer. C) Distribution transformer. 3. The principal purpose of a transformer is to convert--------. A) AC power at one voltage level to AC power with different frequency at another voltage level. B) AC power at one voltage level to AC power of the same frequency at another voltage level. C) AC power at one voltage level to DC power at another voltage level. D) DC power at one voltage level to DC power at another voltage level. B) Substation transformer. D) Current transformer.
Transcribed Image Text:1. Raising the transmission voltage and reducing the resulting transmission currents by a factor of (12) using transformers will reduce power transmission losses by a factor of -----. A) 100 B) 150 C) 144 D) 125. 2. The transformer that steps the voltage down from transmission levels to distribution levels, is called a ------- transformer. A) Unit transformer. C) Distribution transformer. 3. The principal purpose of a transformer is to convert--------. A) AC power at one voltage level to AC power with different frequency at another voltage level. B) AC power at one voltage level to AC power of the same frequency at another voltage level. C) AC power at one voltage level to DC power at another voltage level. D) DC power at one voltage level to DC power at another voltage level. B) Substation transformer. D) Current transformer.
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